That sounds like overkill to me. I use one brush for black, one for brown / cherry / burgundy and one for tan shoes. I use a piece of old undershirt (or even underwear) to add cream to the shoe. For areas hard to reach, I use an old toothbrush.
A better photo of Andrew here: Entire article for forum members who read Chinese: http://lj.hkej.com/fashion/article/id/385112/%E5%9B%9B%E8%90%AC%E5%85%83%E7%9A%84%E7%9A%AE%E9%9E%8B%E6%98%AF%E6%80%8E%E6%A8%A3%E7%85%89%E6%88%90%E7%9A%84